What coefficients (in order from left to right) are needed to balance the following chemical equation?  ___Na(s) + ___Cl2(g) → ___NaCl(s)  (In the answer choices below, a coefficient of 1 implies no coefficient in front of the formula.) A. 1, 2, 1 B. 2, 1, 2 C. 1, 1, 1 D. 2, 2, 2

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